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[Help-gnutls] Re: Recognising error codes with an unsigned size_t
From: |
Michael Weiser |
Subject: |
[Help-gnutls] Re: Recognising error codes with an unsigned size_t |
Date: |
Thu, 13 Nov 2008 21:00:22 +0100 |
User-agent: |
Mutt/1.5.16 (2007-06-09) |
On Thu, Nov 13, 2008 at 09:33:48AM +0100, Simon Josefsson wrote:
> > I'm writing a small program using gnutls and its gnutls_record_{recv,send}()
> > interface. They return a size_t which holds either the number of bytes
> > transferred or a negative error code.
> No, they return a ssize_t.
> > seems just as wrong to me. Am I missing the obvious here?
> I think you are using the wrong type for the 'bytes' variable, use
> 'ssize_t' which is guaranteed to be signed. Then the '< 0' comparison
> should work.
Cheers. That was the obvious I was missing. With ssize_t's it works
nicely now.
--
Michael